Standard elliptic, bright yellow, usually at least sparsely hairy outside; wings shorter than the keel; keel angled in the lower part with a long straight beak, usually not darker coloured at the tip, 11–14 mm long.
Leaves 1-foliolate, estipulate; leaflets usually mostly 10–30 × 0.8–2.5 mm, needle-like, linear or less often linear-oblanceolate, subglabrous to shortly hairy; petiole 0.5–4(6) mm long.
Racemes laxly 6–24-flowered; bracts 1–3 mm long, linear or linear-lanceolate; bracteoles usually on the upper part of the 3–6 mm long pedicel, minute.
Erect virgate shrubby plant, 0.4–2 m tall; branches glaucous, ribbed, mostly rather slender, sparsely strigulose to finely appressed pubescent.
Pod subsessile, 10–12 × 5–6 mm, oblong-ellipsoid to shortly cylindrical, at least sparsely appressed puberulous, 6–8-seeded.
Calyx 5–7 mm long, subglabrous to appressed puberulous; lobes narrowly triangular or subulate, ± as long as the tube.
Seeds 2.5–3 mm long, broadly oblique-cordiform, papillose, brownish.